22303223 has 2 divisors, whose sum is σ = 22303224. Its totient is φ = 22303222.

The previous prime is 22303217. The next prime is 22303249. The reversal of 22303223 is 32230322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22303223 - 2¹⁰ = 22302199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22303213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151611 + 11151612.

It is an arithmetic number, because the mean of its divisors is an integer number (11151612).

Almost surely, 2^22303223 is an apocalyptic number.

22303223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303223 is an equidigital number, since it uses as much as digits as its factorization.

22303223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 22303223 is about 4722.6288230180. The cubic root of 22303223 is about 281.4854010750.

Adding to 22303223 its reverse (32230322), we get a palindrome (54533545).

It can be divided in two parts, 2230322 and 3, that multiplied together give a palindrome (6690966).

The spelling of 22303223 in words is "twenty-two million, three hundred three thousand, two hundred twenty-three".